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Philips CD 931 Manual page 12

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(gb) ADDITIONAL INFORMATION
■\
MAINTENANCE
The CDs
• Never write on the printed side of a CD.
• Do not attach any stickers to the CD.
• Keep the shiny surface of the disc clean. Use a soft lint-free
J
cloth and always wipe the disc in a straight line from centre
to edge.
• Never use cleaning agents for conventional records.
• Detergents or abrasive cleaning agents should not be used
either.
The player
• A chamois leather slightly moistened with water is sufficient
for cleaning the player.
• Do not use cleaning agents containing alcohol, spirits,
ammonia or abrasives.
FAULTS AND THEIR LIKELY CAUSES
If a fault occurs, run through the points listed below before
taking your player for repair. Check whether:
- condensation has formed on the lens of the laser due to a
dramatic change in temperature; this will disappear
automatically after some time;
- the CD has been inserted correctly with the printed side up
and that there is a CD in the compartment;
- the CD is dirty, badly scratched or warped;
- the player has been connected to the PHONO socket of the
amplifier;
- the sound level of the CD player has been set at normal
level. See 'ADJUSTING THE SOUND LEVEL' to change the
setting.
If the fault remains, try to clear it by switching the player off
and on again.
If this also fails to help, consult your dealer.
TECHNICAL DATA
Typical Audio Performance
Frequency range:... ....2 Hz-20 kHz
Amplitude linearity:.................... .0.03 dB (20 Hz - 20 kHz)
Phase linearity:. ........0.5° (20 Hz-20 kHz)
Linearity on-90dB:. .0 dB
Dynamic range:... .97 dB
Signal-to-noise ratio:.......
.112 dB (A-weighted)
Channel separation:. .105 dB
Total harmonic distortion:........... ............... . 0 0018%
D/A conversion: Bitstream conversion (128 x oversampling.
1 bit, 3rd order noise shaper), in differential mode
Audio output level:..
Impedance PHONES socket:...... .8-1000 ohms
Power supply
Mains voltage and frequency: see the type plate on the rear
of the player
Power consumption:. ......................10 W approx
Safety requirements:.... .IEC 65
Cabinet
Material/finish:....metal and polystyrene with decorative trim
Dimensions (w x h x d):...
...........435 x 106 x 300 mm
Weight:.... .........................4 kg approx.
Subject to modification
This Compact Disc player complies with radio interference
requirements as laid down in EC regulations.
Under no circumstances should you repair the player
yourself as this will invalidate the guarantee!
12

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